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【单选题】
某男士,46岁,患慢性肾功能衰竭多年,准备进行透析治疗。他的以下心理社会条件哪项不利于透析治疗?A.
家属能够配合
B.
较高的智力
C.
较高的理解力
D.
较多的防御态度
E.
较少依赖躯体性防御
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皮皮学刷刷变学霸
举一反三
【单选题】交流接触器常用于远距离接通和分断( )的电路。
A.
电压至380V、电流至 1 0A
B.
电压至1140V、电流至30A
C.
电压至1140V、电流至1000A
D.
电压至380V、电流至1000A
【单选题】The current flowing in a long thin solenoid is linearly increasing.
A.
The induced electric field exists only inside the solenoid.
B.
The induced electric field exists only outside the solenoid.
C.
The induced electric field exists both inside and outside the solenoid.
D.
No induced electric field exists both inside and outside the solenoid.
【单选题】A solenoid is 3.0 cm long and has a radius of 0.50 cm. It is wrapped with 500 turns of wire carrying a current of 2.0A. The magnetic field at the center of the solenoid is:
A.
9.9 × T
B.
1.3 × T
C.
4.2 × T
D.
10 T
【单选题】A small planar loop is placed inside a straight solenoid. When the angle between the normal direction of the loop and the axis of the solenoid is gradually increased from 0to 90 degree, how does the m...
A.
Does not change.
B.
Increases.
C.
Decreases.
D.
Decreases first and then increases.
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